Oleksandr Byelkin 796d54df11 MDEV-16957: Server crashes in Field_iterator_natural_join::next upon 2nd execution of SP ...

The problem was that join_columns creation was not finished due to error of notfound column in USING, but next execution tried to use join_columns lists.

Solution is cleanup the lists on error. It can eat memory in statement MEM_ROOT but it is an error and error will be fixed or statement/procedure removed/altered.

2018-08-31 17:07:43 +02:00

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